Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
975047861Composite: 4 known prime factors
Factored
FactorDigitsBitsDate
16886171371156311650.62008-06-10 21:38:32
402564012674839911755.22015-01-09 15:41:58
4024825571765319611858.52015-09-08 11:43:39
12157850698274245191960.12015-12-28 06:40:45
History
DateUserTypeResult
2023-05-27mikrNF
no factor from 2^67 to 2^73
2015-12-28ConductorF
Factor: 1215785069827424519 / TF: 1-65
2015-09-08TJAOIF
Factor: 402482557176531961 / TF: 58-59
2015-01-09TJAOIF
Factor: 40256401267483991 / TF: 55-56